CLASS XX. ORDER VIII. 67 



caiyx 3-parted, superior ; corolla S-petallcd ; stigmas ligulate, 2-cleft ; capsules 

 without valves, 1-celled ; seeds numerous, attached to the sides, (tape-grass.) 



Ceratio'la. Calyx bud-like, imbricated with 6 to 8 scales; corolla ; stamens 

 2, exsert ; stigmas 4 to 6, 2 of them longer ; berry with 2 long seeds. 



ORDER III. TRIANDRIA. 



Empe'trum. Calyx 3-parted, persistent. Staminate flowers : petals 3, mares- 

 cent ; stamens 3; filaments long; anthers 2-parted. Pistillate flowers: germ 

 superior, depressed; style 0, or very short; stigmas 9, reflexed, spreading; berry 

 round, 1-celled, 2 to 6-seeded, seeds bony. 



Fi'cus. Common receptacle fleshy, (becoming the fruit,) enclosing the apeta- 

 lous florets ; both staminate and pistillate, either in the same, or in distinct in- 

 dividuals. Staminate flowers: calyx 3-parted. Pistillate flowers: calyx 5-parted ; 

 pistil 1, lateral ; seed 1 covered with the closed, permanent, somewhat fleshy 

 calyx, (fig-tree.) 



ORDER IV. TETRANDRIA. 



Vis"cuM. Staminate flowers: calyx 4-parted ; corolla 0; anthers sessile, adher- 

 ing to the calyx. Pistillate flowers : calyx 4-leaved, superior ; corolla ; style ; 

 berry 1-seeded, globose; seed cordate; parasitic, adhering to trees, (mistletoe.) 



Myri'c^. Ament ovate, oblong; scales lunulate. Staminate flowers: stamens 

 4 to 6 ; anthers 4-valved. Pistillate flowers : germ 1 ; stigmas 2; drupe l-c£lled, 

 x-seeded. (bay-berry.) 



Brou.s.sone'tia. Staminate flowers : ament cylindrical; calyx 4-parted. Pis- 

 tillate llowers: ament globose ; calyx tubular, 3 or 4-toothed ; germ club-shaped ; 

 seed 1, covered with the calyx, (paper mulberry.) S. 



ORDER V. PENTANDRIA. 



ZANTH0x"YLnM, Staminate flowcrs : calyx 5-parted ; corolla 0; stamens 3 to 

 6. Pis!illate flowers: pistils 3 to 5 ; capsules equal to the number of pistils, 

 1-seeded. (prickly-ash, or toothache-tree.) 



HuM^ULus. Staminate flowers: calyx 5-leaved; corolla 0; anthers with 2 

 pores at the extremity. Pistillate flowers : calyx 1-leafed, entire, oblique, spread- 

 ing ; styles 6; seed 1, within the leaf-like calyx; inflorescence strobile-form, (hop.) 



Nys''sa, Perfect flower : calyx 5-parted; corolla U ; pistil 1; drupe inferior; 

 nut 1-seeded. Staminate flower 5, 8, 10, or 12, inserted around a peltate gland, 

 (pepperidge-tree.) 



Hamilto'nia. Perfect flowers: calyx sub-cam panulate, superior, 5-cleft ; co- 

 rolla 0; nectary with a 5-toothed disk; stamens 5; pistil 1; fruit a drupe. 

 Staminate flowers vary only in having no pistil. (American oil-nut.) 



Acni"da. Staminate flowers: calyx 5-parted; corolla 0. Pistillate flowers: 

 calyx 3-parted ; corolla ; styles ; stigmas 8, sessile ; capsule 1-seeded. (wa- 

 ter hemp.) 



Can"nabis. Staminate flowers: calyx 5-parted. Pistillate flowers: calyx 

 5-leaved, entire, gaping laterally; styles 2; nut 2-valved, within the closed 

 calyx, (hemp.) Ex. 



Spina'cia. Staminate flowers : calyx 5-parted ; corolla 0. Pistillate flowers : 

 styles 4 ; seed 1, within the indurated calyx, (.spinach.) Ex. 



ORDER VI. HEXANDRIA. 



Smi'lax. Staminate flowers : calyx G-leaved ; corolla ; anthers adnata to 

 the filaments. Pistillate flowers: style minute ; stigmas 3; berry 3 celled, supe- 

 rior, 1-3-seeded. (green brier.) 



Diosco'rea. Staminate flowers: caVyX 6-parted; corolla 0; styles 3; capsule 

 3-celled, triangular, compressed ; cells 2-seeded ; seeds with membranaceous 

 margins, (yam-root.) S. 



Gledit"?chia. Perfect flowers : calyx 6 or 8-parted, deciduous; 3 or 4 of the 

 exterior segments smaller ; corolla 0; stamens 5 or 6, seldom 8 ; 'egume flatly 

 compressed, 1 or many-seeded. Staminate flowers: calyx sub-turbinate, 5-8- 

 parted ; 3 to 5 of the segments interior ; stamens 6 to 8. (honey-loc ist.) S". 



ORDER VIII. OCTANDRIA, 



Pop"uLrs. Staminate flowers : ament cylindric; calyx a torn scale; crrolla 

 turbinate, oblique, entire, supporting 8 to 30 stamens. Pistillate flowers • pmenl, 

 calyx, and coroira like the staminate ; stigma 4 or 6-lobed ; capsule ii celle-l. 

 27 



